The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 2021
Filed:
Aug. 29, 2017
Samsung Sdi Co., Ltd., Yongin-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Dankook University Cheonan Campus Industry Academic Cooperation Foundation, Cheonan-si, KR;
Seung Rim Yang, Seongnam-si, KR;
Chang Hyun Lee, Seongnam-si, KR;
Sung Soo Han, Hwaseong-si, KR;
Myungkook Park, Suwon-si, KR;
Minho Cho, Suwon-si, KR;
Samsung SDI Co., Ltd, Yongin-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Dankook University Cheonan Campus Industry Academic Cooperation Foundation, Cheonan-si, KR;
Abstract
The present invention relates to a separator for a lithium secondary battery, a method for manufacturing the separator, and a lithium secondary battery including the separator. The separator includes a porous substrate and a heat resistance porous layer positioned on at least one surface of the porous substrate, wherein the heat resistance porous layer includes a sulfonic acid group-containing polysulfone.